Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 3479 · United Airlines

Indianapolis → Chicago (IND–ORD)88% of its flights flew this route. The rest (ORD–ORF, ORD–MCI) are included in these numbers.

99
Nerd Approved
WanderNerd Reliability Score
94%
Arrive within 15 minutes
11 min early
Average arrival delay
0.7%
Cancelled
16 min early
Median arrival delay

Based on 409 historical flights. Data through May 2026.

What the data says

Wednesday comes out ahead.

A small edge: 97% on time on Wednesdays against 90% on Fridays.

Well ahead of the IND–ORD route.

UA 3479 arrived on time 94% of the time, versus 78% across the IND–ORD route.

Better than the United Airlines network average.

UA 3479 arrived on time 94% of the time, versus 79% across the United Airlines network.

Trending in the right direction.

UA 3479 arrived on time 95% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon91%(58 flights)
  • Tue93%(57 flights)
  • Wed97%(59 flights)
  • Thu93%(59 flights)
  • Fri90%(61 flights)
  • Sat95%(56 flights)
  • Sun96%(56 flights)
On-time by departure window
  • 6–9 AM94%(398 flights)
  • 9 AM–12 PM—(6 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
100%
May

Jun 94% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202594%33
July 2025100%31
August 202593%41
September 2025100%30
October 202596%56
November 202597%29
December 202577%30
January 202687%30
February 202693%28
March 202694%31
April 202690%30
May 2026100%37
Departures on time
95%
Diverted
0%
Flights flown
406
Months covered
12

Same route, other flights

Keep nerding

Based on 409 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.